Finding the Fourth Proportional to 5,144.72, 7,682.16 and 4,092.96

Step by Step Solution

1. Step 1: Write the proportion equation
   5,144.72 : 7,682.16 = 4,092.96 : x
2. Step 2: Convert to fraction form
   5,144.72/7,682.16 = 4,092.96/x
3. Step 3: Cross multiply
   5,144.72x = 7,682.16 × 4,092.96
4. Step 4: Simplify right side
   5,144.72x = 31,442,773.59
5. Step 5: Solve for x
   x = 31,442,773.59/5,144.72
6. Step 6: Final answer
   x = 6,111.66